sncm439 peeled or turned steel bar

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Min. Order: 5 Metric Ton
Delivery Time: 30 Days

Basic Info


Model No.: sncm439

Type: Alloy Steel Bar

Standard: AISI, ASTM

Steel Grade: Other

Technique: Cold Drawn

Application: Structural Steel Bar

Surface Treatment: Polished

Alloy: Alloy

Special Use: Mold Steel

STEEL GRADE: 4340


Additional Info


Packaging: Anti-rusty standard seaworthy

Productivity: 3000 tons per month

Brand: LE REN

Transportation: Ocean,Land,Air

Place of Origin: Shandong Provnce, China

Supply Ability: 3000 tons per month

Certificate: ISO 9001

HS Code: 7228309000

Port: Qingdao Port


Product Description

sncm439 peeled or turned steel round bar

 

sncm439 steel grade is one kind of nickel chromium molybdenum alloy steel known for it's toughness and ability to attach high strength and hardness after quenching and tempering.  sncm439 steel material is one steel grade in JIS standard. It's similar steel materials are aisi 4340, sae 4340, astm 4340, 40CrNiMoA, 34CrNiMo6 etc. It is one high alloy steel with high steel mechanical properties. As a steel factory, we can produce sncm439 cold drawn steel round bar, sncm439 peeled steel round bar, sncm439 turned steel round bar, sncm439 ground and polished steel round bar, sncm439 annealed steel bar, sncm439 normalized steel bar, sncm439 quenched and tempered steel bar. We can also supply competitive price raw material sncm439 hot rolled steel round bar.


Steel bar peeling or turning is a kind of machining used to remove the imperfections on the hot rolled bars surface. It can also get more precision diameter tolerance and bright surface after peeling or turning. If grinding or polishing is added, the steel bars will be have very good surface roughness which can be directly used to produce components. sncm439 steel bar are usually heat treaded before direct usage especially sncm quenched and tempered steel bar. Quenching and Tempering, abbreviated as Q&T is a king of processing that strengthen or harden steel bars by heating the materials and then cooling in water, oil or other liquid medium, that rapidly the change from austenite to perlite to get the proper properties for various usage. The quenched & tempered steel bar materials are usually with carbon from 0.30% - 0.60%, it is widely used as merchant bars in components of various machines.

 

sncm439 material peeled steel bar we supply includes following advantages:

Consistent mechanical properties

Deep mechanical properties (from surface to the center according to your requirement)

Even hardness on the whole bars/Tougher and Increased strength

No brittle, UT testing/Precision size tolerance/Good straightness

Good Roughness/Professional technical service/Competitive price/Fast delivery

 

Specification of sncm439 peeled steel bar we supply:

1. sncm439 steel equivalent material:

GB

JIS

ASTM/AISI/SAE

40CrNiMo(A)

SNCM439

4340

5. sncm439 steel Chemical composition:

 

C

SI

MN

S

P

Cr

Mo

Ni

40CrNiMo(A)

0.37-0.44

0.17-0.37

0.50-0.80

0.035 (max)

0.035 (max)

0.60-0.90

0.15-0.25

1.25-1.65

SNCM439

0.36-0.43

0.15-0.35

0.60-0.90

0.030 (max)

0.030 (max)

0.60-1.00

0.15-0.35

1.65-2.00

aisi 4340

0.38-0.43

0.15-0.35

0.60-0.80

0.035 (max)

0.035 (max)

0.70-0.90

0.20-0.30

1.65-2.00

6. sncm439 steel Mechanical Properties:

Yield Strength(MPa)

Tensile Strength(MPa)

Elongation(%)

AKV

835(min)

985(min)

12(min)

55(min)

Note: The mechanical properties can be adjusted according to heat treatment based on your requirement.

4. sncm439 steel applications:

sncm439 steel can be used to produce commercial and aircraft, automobile systems, forged hydraulic and other machine tools like forged steel crankshafts.

4. Our products inspection:

Inspection

4. Our products packages:

Packages

Our company Shandong Le Ren Special Steel Co., Ltd. has been engaged in steel bar manufacturing and business for more than twney years. We can supply competitive resources of hot rolled special steel mechant bars and can produce further processing bars like cold drawn steel bar, peeled steel bar, ground and polished bright steel bar, heat treated steel bars such as annealed steel bar, normalized steel bar, quenched and tempered steel bars. We also have threading machine with which we can also supply threaded rods. We can also do other processing services like cutting in pieces, straightening, shot blasting and chamfering. We can supply different quality products according to your usage. We aim to supply you steel solutions to decrease your production cost and increase your commercial value. We welcome your commnucation if any demands or technical questions. Our full sets of production facilities and advanced and complete testing equipment can help you.

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Contact Info

CONTACT US

SHANDONG LE REN SPECIAL STEEL CO., LTD.

Address: NO. 89, QINGSHUI COMMERCIAL STREET, LAIWU DISTRICT,Jinan,Shandong

Contact Person: Angelina Chen

Phone:86-0634-5648998

Fax:86-0634-5648997

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